Vikings is a Barbershop quartet that won the 1953 SPEBSQSA international competition.

Vikings of the sunrise
Vikings: The North Atlantic Saga
A history of the Vikings
Chronicles of the Vikings :
Vikings in Scotland: An Archaeological Survey
The Small World of the Vikings: Networks in Early Medieval Communication and Exchange
Could Vikings Have Navigated under Foggy and Cloudy Conditions by Skylight Polarization? On the Atmospheric Optical Prerequisites of...
On the trail of Vikings with polarized skylight: experimental study of the atmospheric optical prerequisites allowing polarimetric n...
Excavating past population structures by surname-based sampling: the genetic legacy of the Vikings in northwest England
Composition and structure of Mars’ upper atmosphere: Results from the neutral mass spectrometers on Vikings I and 2